pci subsystem · Supported

Maintainers

• M Bjorn Helgaas <bhelgaas@google.com>

Paths

• F Documentation/ABI/testing/sysfs-devices-pci-host-bridge
• F Documentation/PCI/
• F Documentation/devicetree/bindings/pci/
• F arch/x86/kernel/early-quirks.c
• F arch/x86/kernel/quirks.c
• F arch/x86/pci/
• F drivers/acpi/pci*
• F drivers/pci/
• F include/asm-generic/pci*
• F include/linux/of_pci.h
• F include/linux/pci*
• F include/uapi/linux/pci*

Last 30 days

Most active threads (last 7 days)

• COOLING4d [PATCH v6 0/4] PCI: Add DOE support for endpoint
  2026-06-23 09:08 · 4 replies in 7d · Aksh Garg <a-garg7@ti.com>
• COOLING6d [PATCH v3 0/3] PCI: endpoint: Add PCI DMA endpoint function (part 3/3)
  2026-06-20 17:09 · 2 replies in 7d · Koichiro Den <hidden>

Active reviewers (last 30 days)

• Siddharth Vadapalli <s-vadapalli@ti.com>
  8 attestations (8 Co-developed-by) · last on 2026-06-23
• Randy Dunlap <hidden>
  2 attestations (1 Suggested-by, 1 Tested-by) · last on 2026-06-23
• Frank Li <Frank.Li@nxp.com>
  1 attestation (1 Reviewed-by) · last on 2026-06-23

Recent patches

Most-recent 30 patches in this subsystem on linux-doc (capped at 30), ordered by date desc.

• COOLING4d REVIEWED: 1 (0M) [PATCH v6 4/4] Documentation: PCI: Add documentation for DOE endpoint support
  2026-06-23 · Aksh Garg <a-garg7@ti.com>
• COOLING4d [PATCH v6 2/4] PCI: endpoint: Add DOE mailbox support for endpoint functions
  2026-06-23 · Aksh Garg <a-garg7@ti.com>
• COOLING4d REVIEWED: 13 (13M) [PATCH v6 1/4] PCI/DOE: Move common definitions to the header file
  2026-06-23 · Aksh Garg <a-garg7@ti.com>
• COOLING4d [PATCH v6 3/4] PCI: endpoint: Add support for DOE initialization and setup in EPC core
  2026-06-23 · Aksh Garg <a-garg7@ti.com>
• DORMANTno replies [PATCH v3 3/3] Documentation: PCI: Add PCI DMA endpoint function documentation
  2026-06-20 · Koichiro Den <hidden>
• COOLING6d [PATCH v3 2/3] PCI: endpoint: Add DMA endpoint function
  2026-06-20 · Koichiro Den <hidden>
• COOLING4d [PATCH v2 1/4] PCI: rcar-gen4: Configure AXIINTC if iMSI-RX not used
  2026-06-18 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• COOLING8d [PATCH 1/3] PCI: rcar-gen4: Configure AXIINTC if iMSI-RX not used
  2026-06-17 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• COOLING10d [PATCH v5 4/4] Documentation: PCI: Add documentation for DOE endpoint support
  2026-06-10 · Aksh Garg <a-garg7@ti.com>
• COOLING10d [PATCH v5 2/4] PCI: endpoint: Add DOE mailbox support for endpoint functions
  2026-06-10 · Aksh Garg <a-garg7@ti.com>
• COOLING10d [PATCH v5 1/4] PCI/DOE: Move common definitions to the header file
  2026-06-10 · Aksh Garg <a-garg7@ti.com>
• COOLING10d [PATCH v5 3/4] PCI: endpoint: Add support for DOE initialization and setup in EPC core
  2026-06-10 · Aksh Garg <a-garg7@ti.com>
• COLD25d [PATCH 2/2] PCI: Add pci=nodpc kernel boot option
  2026-06-02 · Yury Murashka <hidden>
• COLD25d [PATCH 1/2] PCI: Add pci=noaer_recovery kernel boot option
  2026-06-02 · Yury Murashka <hidden>
• COLD32d [PATCH v2 2/3] PCI: endpoint: Add DMA endpoint function
  2026-05-25 · Koichiro Den <hidden>
• COLD32d [PATCH v2 3/3] Documentation: PCI: Add PCI DMA endpoint function documentation
  2026-05-25 · Koichiro Den <hidden>
• WARM1d [PATCH v6 12/12] Documentation: PCI: Add documentation for Live Update
  2026-05-22 · David Matlack <dmatlack@google.com>
• WARM1d [PATCH v6 10/12] PCI: liveupdate: Freeze preservation status during shutdown
  2026-05-22 · David Matlack <dmatlack@google.com>
• WARM1d [PATCH v6 11/12] PCI: liveupdate: Do not disable bus mastering on preserved devices during kexec
  2026-05-22 · David Matlack <dmatlack@google.com>
• WARM1d [PATCH v6 09/12] PCI: liveupdate: Inherit ARI Forwarding Enable on preserved bridges
  2026-05-22 · David Matlack <dmatlack@google.com>
• WARM1d [PATCH v6 07/12] PCI: Refactor matching logic for pci_dev_acs_ops
  2026-05-22 · David Matlack <dmatlack@google.com>
• WARM1d [PATCH v6 08/12] PCI: liveupdate: Inherit ACS flags in incoming preserved devices
  2026-05-22 · David Matlack <dmatlack@google.com>
• WARM1d [PATCH v6 05/12] PCI: liveupdate: Keep bus numbers constant during Live Update
  2026-05-22 · David Matlack <dmatlack@google.com>
• WARM1d [PATCH v6 06/12] PCI: liveupdate: Auto-preserve upstream bridges across Live Update
  2026-05-22 · David Matlack <dmatlack@google.com>
• WARM1d [PATCH v6 04/12] PCI: liveupdate: Document driver binding responsibilities
  2026-05-22 · David Matlack <dmatlack@google.com>
• WARM1d [PATCH v6 02/12] PCI: liveupdate: Track outgoing preserved PCI devices
  2026-05-22 · David Matlack <dmatlack@google.com>
• WARM1d [PATCH v6 01/12] PCI: liveupdate: Set up FLB handler for the PCI core
  2026-05-22 · David Matlack <dmatlack@google.com>
• WARM1d [PATCH v6 03/12] PCI: liveupdate: Track incoming preserved PCI devices
  2026-05-22 · David Matlack <dmatlack@google.com>
• COLD36d [PATCH v4 4/4] Documentation: PCI: Add documentation for DOE endpoint support
  2026-05-22 · Aksh Garg <a-garg7@ti.com>
• COLD36d [PATCH v4 3/4] PCI: endpoint: Add support for DOE initialization and setup in EPC core
  2026-05-22 · Aksh Garg <a-garg7@ti.com>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE149d REVIEWED: 14 (13M) [PATCH v2] PCI: endpoint: pci-epf-test: Allow overriding default BAR sizes
  2026-01-28 · Niklas Cassel <cassel@kernel.org> · 1 Reviewed-by, 1 Tested-by
• DORMANTno replies REVIEWED: 14 (13M) [PATCH v3] PCI: endpoint: pci-epf-test: Allow overriding default BAR sizes
  2026-01-28 · Niklas Cassel <cassel@kernel.org> · 1 Reviewed-by, 1 Tested-by
• STALE148d REVIEWED: 14 (13M) [PATCH v4] PCI: endpoint: pci-epf-test: Allow overriding default BAR sizes
  2026-01-29 · Niklas Cassel <cassel@kernel.org> · 1 Reviewed-by, 1 Tested-by
• STALE147d REVIEWED: 21 (20M) [PATCH v5] PCI: endpoint: pci-epf-test: Allow overriding default BAR sizes
  2026-01-30 · Niklas Cassel <cassel@kernel.org> · 2 Reviewed-by, 1 Tested-by
• STALE86d REVIEWED: 2 (2M) [PATCH v5] PCI: s390: Expose the UID as an arch specific PCI slot attribute
  2026-04-01 · Niklas Schnelle <schnelle@linux.ibm.com> · 2 Reviewed-by
• STALE80d REVIEWED: 2 (2M) [PATCH v6 2/2] PCI: s390: Expose the UID as an arch specific PCI slot attribute
  2026-04-02 · Niklas Schnelle <schnelle@linux.ibm.com> · 2 Reviewed-by
• STALE81d REVIEWED: 2 (2M) [PATCH v7 2/2] PCI: s390: Expose the UID as an arch specific PCI slot attribute
  2026-04-07 · Niklas Schnelle <schnelle@linux.ibm.com> · 2 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE164d [PATCH v3 1/3] PCI: trace: Add PCI controller LTSSM transition tracepoint
  2026-01-12 · Shawn Lin <shawn.lin@rock-chips.com>
• STALE154d [RFC PATCH v4 01/38] dmaengine: dw-edma: Export helper to get integrated register window
  2026-01-18 · Koichiro Den <hidden>
• STALE154d [RFC PATCH v4 06/38] NTB: epf: Add mwN_offset support and config region versioning
  2026-01-18 · Koichiro Den <hidden>
• STALE154d [RFC PATCH v4 33/38] Documentation: PCI: endpoint: pci-epf-vntb: Update and add mwN_offset usage
  2026-01-18 · Koichiro Den <hidden>
• STALE154d [RFC PATCH v4 35/38] PCI: endpoint: pci-epf-test: Add pci_epf_test_next_free_bar() helper
  2026-01-18 · Koichiro Den <hidden>
• STALE137d Re: [PATCH] PCI/AER: Add option to panic on unrecoverable errors
  2026-02-06 · Keith Busch <kbusch@kernel.org>
• STALE102d [PATCH 03/15] PCI: dwc: ep: Report DMA channel metadata for aux resources
  2026-03-12 · Koichiro Den <hidden>
• STALE102d [PATCH 08/15] PCI: dwc: ep: Delegate exported eDMA channels through EPC ops
  2026-03-12 · Koichiro Den <hidden>
• STALE102d [PATCH 09/15] PCI: endpoint: Add pci-ep-dma helper for exported DMA ABI v1
  2026-03-12 · Koichiro Den <hidden>
• STALE102d [PATCH 10/15] PCI: endpoint: pci-epf-vntb: Support DMA export and shared BAR layouts
  2026-03-12 · Koichiro Den <hidden>